Prosecution Insights
Last updated: August 18, 2026

Examiner: CHANG, KYUNG SOOK

Tech Center 3700 • Art Units: 1613 1615 1616 1617 1672 3786

This examiner grants 60% of resolved cases

Performance Statistics

60.4%
Allow Rate
-9.6% vs TC avg
864
Total Applications
+41.1%
Interview Lift
986
Avg Prosecution Days
Based on 798 resolved cases, 2023–2026

Rejection Statute Breakdown

2.4%
§101 Eligibility
8.6%
§102 Novelty
45.7%
§103 Obviousness
22.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
18873973 SUNSCREEN COMPOSITION FOR LACTOBACILLUS AND S. EPIDERMIDIS PROTECTION ON SKIN Non-Final OA DSM IP Assets B.V.
18874006 SUNSCREEN COMPOSITION FOR LACTOBACILLUS AND S. EPIDERMIDIS PROTECTION ON SKIN Non-Final OA DSM IP Assets B.V.
18276936 HYDROGEL MATERIALS AND METHODS OF MAKING AND TRANSPORT USING THE SAME Final Rejection Georgia Tech Research Corporation
18755888 Oral Care Compositions Comprising Hops Beta Acids Non-Final OA The Procter & Gamble Company
18681981 AN EXTRACT OF LINUM USITATISSIMUM SEEDS Non-Final OA BASF SE
18595636 COSMETIC Non-Final OA SHIN-ETSU CHEMICAL CO., LTD.
18681600 COMPOSITION FOR GENERATING NITROGEN MONOXIDE Final Rejection SEOUL NATIONAL UNIVERSITY R&DB FOUNDATION
17294947 DRIED BIOLOGICAL COMPOSITIONS AND METHODS THEREOF Non-Final OA Evonik Operations GmbH
17285743 Bioadhesive for Soft Tissue Repair Final Rejection Northeastern University
18673481 BIOCOMPATIBLE MATERIAL AND METHODS FOR MAKING AND USING THEREOF Final Rejection The Hong Kong University of Science and Technology
18012065 Biosurfactant Formulations for Use in Skincare and Wound Treatment Non-Final OA Locus Solutions IPCo, LLC
18879427 COSMETIC COMPOSITION Non-Final OA SHISEIDO COMPANY, LTD.
18506757 CONTACT LENS FOR PHOTODYNAMIC INACTIVATION OF GERMS, PRODUCT AND METHOD OF TREATING FUNGAL KERATITIS BY APPLYING THE SAME Non-Final OA NATIONAL CHENG KUNG UNIVERSITY
18596376 SYNTHETIC TISSUE BARRIERS AND USES THEREOF Non-Final OA The Brigham and Women's Hospital, Inc.
17784598 SYNTHETIC TISSUE BARRIERS AND USES THEREOF Final Rejection The Brigham and Women's Hospital, Inc.
18156058 Phosphorylated Tri-Block Copolymers with Anti-Microbial Properties Non-Final OA UChicago Argonne, LLC
18000982 PREVENTION, REDUCTION, OR AMELIORATION OF OLD PERSON SMELL Final Rejection Firmenich SA
17367837 METHOD AND COMPOSITION FOR TREATING OR DECREASING GUT MICROBIOME DYSBIOSIS INDUCED BY A PRIOR ANTIBIOTIC TREATMENT Final Rejection Agency for Science, Technology and Research
18719982 PHARMACEUTICAL COMPOSITION COMPRISING SALBUTAMOL Non-Final OA APTAR FRANCE SAS

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